Metallic-sheet-separating machine.



v G. M. JOHNSTON.

METALLIC SHEET SBPARATING MACHINE.

APPLICATION FILED MAR. 28, 1914.

1,119,611, Patented Dec.1,1914.

4.9 INVENTOR ATTORNEY enonen M. JOHNSTON, or vnn'nnnenrrr,rnnnsYLvAn'tA.

METALLIG-S1-IEET-SEPARATI1\TG MACHINE.

Specification of Letters Patent.

Patented Dec. 1, 1914.

Application filed March 28, 13114. Serial No. 827,925.

To all whom it may concern:

Be it known that I, Gnoncn M. JOHNSTON, a citizen of the United Statesof America, residing at Vandergrift, in the county of Westmoreland andState of Pennsylvania, have invented certain new and useful Improvementsin Metallic Sheet Separating Machines, of which the following is aspecification, reference being had therein to the accompanying drawing.

This invention relates to metallic sheet separating machines and has forits object to provide means, in a manner as hereinafter set forth, forseparating a pair of metallic sheets which have been secured togetherduring the rolling operation, and to overcome the necessity of manuallyseparating the sheets, which is now in general Vogue, and which requiresconsiderable time.

Further objects of the invention are to provide a sheet separatingmachine which is simple in its construction and arrangement, strong,durable, efficient and convenient in its use, readily set up andcomparatively inexpensive to manufacture. WVith the foregoing and otherobjects in view the invention consists of the novel construction,combination and arrangement of parts as hereinafter more fully describedand illustrated in the accompanying drawings, wherein is'shown anembodiment of the invention, but it is to be, understood that changes,variations and modifications can be restorted to which come within thescope of the claims hereunto appended.

In describing the invention in detail, reference is had to theaccompanying drawings wherein like reference characters denotecorresponding parts throughout the several views, and in which Figure 1is a front elevation of a metallic sheet separating machine inaccordancewith this invention; Fig. 2 is a section on line XX Fig. 1, looking inthe direction of the arrow; Fig. 3 is a view looking toward one end ofthe separating rolls, these latter being broken away; Fig. 4 is avertical sectional view, broken away, of the separating rolls; Fig. 5 isasectional plan of one-half of one of the separating rolls, the rollbeing broken away, and Fig. 6 is a detail of a modified formillustrating a bearingfor the lugs or shafts for theclamping members.Referring to the drawings in detail, 6 denotes the base and 78 the sidesof the housing, and journaled in the sides 78 is an upper and a lowerseparating roll shaft, the latter being intermittently rotated. Theupper shaft is indicated at 9, and the lower shaft at 10. The shaft 9projects from the side 7 and carries a gear 11, and the shaft 10projects from the side 7 and carries a gear 12', which meshes with thegear 11. The shaft 10 is connected to a prime mover, not shown, fordriving it intermittently, and motion is transmitted to the shaft 10;the shaft 9 is also driven owing to the gear connections 11-12, but theshaft 9 will revolve in an opposite direction with respect to thedirection of the revolution of the shaft 10. FiXedly secured to theshaft 9 is an upper separating rolls 13, and fixedly secured to theshaft 10 is a lowerseparating roll 14. The rolls lit-14 are arranged inparallelism, and as the rolls are constructed alike, but one will bedescribed, as the description of one applies to the other. Each of'theseparating rolls has its body portion formed with a longitudinallyextending V-shaped pocket 15, of less length than the length of thebodyof the roll, and the ends of the pocket 15 are arranged inwardly withrespect to the ends of the body of the roll. Each of the rolls isfurthermore provided with. a longitudinally extending slot 16 whichopens into thepocket 15, and is of less width than the mouth of thepocket, the mouth of the pocket being of greater width than the bottomof the pocket. The slot 16 provides what may be termed a pair ofoppositely disposed shoulders 1718,

and each of said shoulders are rounded and extend the length of theirrespective pocket 15; in fact, the shoulders 17-18 are formed fromportions of the top wall of the pocket 15. TvVhenthe rolls 1314: are setup, the pockets 15 extend in opposite directions with respect to eachother, and the slot 16 of one roll opposes the slot 16 of the otherroll.

- Arranged within each of the pockets 15, and mounted against theshoulders l718 is a pair of oppositely disposed clamping members 1920,and each of which is of a length equal to the lengthof its respectivepocket. One end of each of theclamping members is provided with a lug 21which is seated in its respective roll, and the other end of each ofsaid members has fixed thereto a stub shaft 2:2, which projects from theroll as at 23 and carries a toothed quadrant. The quadrants carried bythe shafts'22 of the members 19 are indicated at 24, and the quadrantscarried by the shafts 22 of the members 20 are indicated at 25. Thequadrants 2 1 are oppositely disposed with respect to the quadrants 25,and said quadrants 2i permanently mesh with the quad rants The normalposition of the clamping members carried by the roll 13 is upwardly atan angle with respect to their quadrants, and the normal position of theclamping members carried by the roll 14- is downwardly at an angle withrespect to their quadrants.

Each of the quadrants 2 1 is provided with a pair of apertured lugs 26,and to one pair of lugs 26 is pivoted link 27, which is pivotallyattached to a pair of lugs 28, carried by a sliding collar 29, mountedupon the shaft 9; and the other pair of lugs 26, has pivotally connectedthereto a link 30, the latte being pivotally connected to a pair of lugs31, carried by a shiftable collar 32, mounted upon the shaft 10. Each ofthe collars 29 and is provided with a pcripheral groove 33, and arrangedin each of said grooves is a strap 3 and the said straps 3% haveconnected thereto a vertically disposed coupling member 35, having alengthwise extending slot 36.

Carried by the inner face of the side 8 is a bracket 3?, in which ispivotally connected a yoiie-shaped shifting member 33; the latterextends through the slot 36. The member 33 is provided with a crank arm39, having pivotally connected therewith the upper end of a pulling rod10, the latter having its lower end pivotally connected as at 11, to aspring controlled pivoted foottread d2. The normal position of themember 38 is at an upward inclination whereby when said rod =10 ispulled downwardly, the action of the member 33 will. be such as to shiftthe coupling member 35 toward the rolls, and said member 35 will carrythe collars 29 and 32 therewith. As the collars 29 and 32 are movedtoward the rolls 13 and 14L, the links 2730 will be simultaneouslyactuated, moving the quadrant 2 1 carried by the roll 13 downwardly, andthe quadrant 2 f carried by the roll 13 upwardly, and by such movementof the quadrants 24, a like movement will be imparted to the quadrantsowing to the fact that the quadrants 2 1 mesh with the quadrants 25.When the quadrants carried by the roll 13 are moved downwardly, theclamping members within said roll are also moved downwardly, and whenthe quadrants of the roll 14 are moved upwardly, the clamping memberswithin said roll 14: are also moved upwardly, or in other words when thequadrants are shifted by moving the collars 29 and 32 toward the rolls131ei, the clamping members of each roll are shifted toward each other.The clamping members of each roll are utilized for connecting the endsof the metal sheet therewith, as indicated at 4-3 i 1, whereby when therolls 1314c revolve, a pair of secured sheets, as indicated at 15, areseparated. The ends 13 1 1 of the pair of secured sheets are firstseparated by hand and extended into the pockets so that they can beengaged by the clamping members when the collars 2932 are shifted towardthe rolls 131 l-. The length of the sheets to be separated is slightlyless than the circumference of the separating rolls. The clampingmembers are maintained in engagement with the ends of the sheets 43H, aslong as pressure is applied to the foot-tread 42. When pressure isreleased from the foot-tread 1-2, the spring 16 restores said tread 12to normal position, and during such action the collars 2932 are shiftedaway from the rolls 1314t due to the action of the member 38 withrespect to the coupling member 35.

In Fig. 6 of the drawings, a modified construction is set up relative tothe manner of supporting the lugs or shafts of the clamping members 19and 20. Each of the rolls, which is indicated at 51 is provided with apocket 18, which corresponds to the pocket 15, but the said pocket 18 isof a length equal to the length of its respective roll. Each of therolls 51 is provided at each end with seats 52, upon which are mountedflanges 4-9, and the bearing plates 45 which are seated in the pocketsat the ends thereof are flush with the ends of their respective roll 51.The flanges 19 are fixedly secured to their respective roll 51 byholdfast devices 50. The bearing plates 46 are provided with openings17, in which are seated the lugs or shafts 21 for the clamping members19 and 20. The lugs or shafts 21* at one end of the clamping members areflush with one end of the roll. 51 and the lugs or shafts 21 at theother ends of the clamping members a are projected and have thequadrants 21 and 25 mounted therein. The bearing plates 16 are flushwith the ends of the rolls and the top edges of the bearing plates 4-6,as well as the top edges of the flanges 49 forming a continuation of theperiphery of the roll 51.

hat I claim is 1. A. sheet separating machine comprising a pair of rollsrevoluble in opposite directiousand each provided with a longitudinallyextending pocket adapted to have the end of a metal sheet projectthereinto, means arranged in each of said pockets and adapted to engagethe end of a sheet for clamping said end to the roll, and means forshifting said clamping means to and from operative engagement withrespect to the ends of said sheets.

2. A sheet separating machine comprising a pair of rolls revoluble inopposite directions with respect to each other and each provided with alongitudinally extending pocket adapted to have one end of one sheet ofthe pair of secured sheets extend thereinto, means for clamping saidends to said rolls whereby when the rolls are revolved, the sheets willbe separated, means carried by the rolls for shifting said clampingmeans to and from operative engagement with the ends of said sheets, andmeans for simultaneously operating said shifting means to simultaneouslyposition the clamping means carried by said rolls with respect to saidends of said sheets.

3. A sheet separating machine comprising a pair of rolls revoluble inopposite directions with respect to each other and each provided with alongitudinally extending pocket adapted to have one end of one sheet ofthe pair of secured sheets extend thereinto, means for clamping saidends'to said rolls whereby when the rolls are revolved,

the sheets will be separated, means carried by the rolls for shiftingsaid clamping means to and from operative engagement with the ends ofsaid sheets, operating means carried by the shafts of said rolls andconnected with said shifting means for simultaneously operating them tocause the simultaneous positioning of said clamping means with respectto the ends of said sheets, and actuating means for said operatingmeans.

In testimony whereof I afiiX my signature in the presence of twowitnesses.

GEORGE M. JOHNSTON. Witnesses:

C. C. MoMAHoN, A. P. SCIIALL.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents.

Washington, D. C. p

